You should deliver a message you heard from Luna to Wiff in Alker Harbor.

You should deliver the message you heard from Luna to Equpos in Moonblind Forest.

Deliver a message from Luna to Heromach in Red Orc Outpost.

Inform Luna that yo have delivere the messages to knights in each place.

[Special][Quest] The Fall of Tarintus (Completed)

Travel to Distorted Crack through Dark Portal in the Island of Death.

RAWR

Once you beat up the mean dragon, return to Luna in Alker Harbor to get the repeatable [Special][Quest] Sealing The Demon Dragon quest to re-enter the Distorted Crack! You will also have to construct another magical flame.